JEE Main 2023 Mathematics question
The number of permutations, of the digits 1, 2, 3, ….., 7 without repetition, which neither contain the string 153 nor the string 2467, is
Answer: 4898
The number of permutations, of the digits 1, 2, 3, ….., 7 without repetition, which neither contain the string 153 nor the string 2467, is